.dyn{width:40px;height:260px;position:fixed;background:url(images/zixun.jpg) no-repeat;display:block; bottom:60px;left:50%; margin-top:-118px; margin-left:-562px;_position:absolute;
    _bottom:30px;_top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0))); }

.bottom_tip{
    width: 100%;
    position: fixed;
    bottom: 0px;
    left: 0px;
    background: #4a4a4a;
    height: 54px;
    z-index: 999;
}
.btip_con{
    width: 999px;
    margin: 0 auto;
    height: 54px;
    font-size: 24px;
    color: #fff;
    line-height: 54px;
    text-align: center;
    font-family: "microsoft yahei";
}
.btip_con span,.btip_con a{ font-family:"microsoft Yahei","Arial Narrow";}
.btip_con a.want_an{ color: #FFF;}
.btip2{
    height:81px; background: #cf000d;}
.btip_con a.want_an{ color: #FFF;}
.btip2 .btip_con a.want_an{ color:#cf000d; background: #FFF; margin-left: 36px;}
.btip2 .btip_con{ line-height: 81px;}


.want_an{
    display: inline-block;
    background: #ff5a5f;
    width: 120px;
    height: 40px;
    color: #fff;
    border-radius: 4px;
    line-height: 40px;
    text-align: center;
}
.want_an:hover{
    color: inherit;
}
.footerLaws {
    width: 100%;
    background: #f7f7f7;
    font-family: "Microsoft Yahei";
    padding-bottom: 34px;
}
.go_top{
    position: absolute;
    right: 0;
    bottom:6px;
}
.btip2 .go_top{ bottom: 19px;}